Search a number
-
+
351330740731 = 2331492749987
BaseRepresentation
bin1010001110011001111…
…00011010100111111011
31020120211211202211110201
411013030330122213323
521224011132200411
6425222113023031
734245206010565
oct5071474324773
91216754684421
10351330740731
11125aa9053583
125810bb54a77
13271904aa789
141300c4b6335
159213cb73c1
hex51ccf1a9fb

351330740731 has 8 divisors (see below), whose sum is σ = 378431990784. Its totient is φ = 325214990760.

The previous prime is 351330740713. The next prime is 351330740759. The reversal of 351330740731 is 137047033153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351330740731 - 211 = 351330738683 is a prime.

It is a super-2 number, since 2×3513307407312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351330740791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246374281 + ... + 246375706.

It is an arithmetic number, because the mean of its divisors is an integer number (47303998848).

Almost surely, 2351330740731 is an apocalyptic number.

351330740731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

351330740731 is a deficient number, since it is larger than the sum of its proper divisors (27101250053).

351330740731 is a wasteful number, since it uses less digits than its factorization.

351330740731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492750041.

The product of its (nonzero) digits is 79380, while the sum is 37.

Adding to 351330740731 its reverse (137047033153), we get a palindrome (488377773884).

The spelling of 351330740731 in words is "three hundred fifty-one billion, three hundred thirty million, seven hundred forty thousand, seven hundred thirty-one".

Divisors: 1 23 31 713 492749987 11333249701 15275249597 351330740731